To enable this patch, you will need to edit the PATCHES-* variable inside
the Makefile

--- x230t.GCHT25WW.img.prepatched.hex	2017-08-27 00:07:20.937481818 +0300
+++ x230t.GCHT25WW.img.hex	2017-08-27 00:07:05.234482494 +0300
@@ -8658,7 +8658,7 @@
 00022190  00 00 00 00 b2 00 00 00  8c 1f 02 00 40 00 00 00  |............@...|
 000221a0  30 21 02 00 f0 20 02 00  0b 00 00 00 70 21 02 00  |0!... ......p!..|
 000221b0  01 02 11 10 1f 6e 2e 83  00 00 00 00 00 00 00 00  |.....n..........|
-000221c0  70 03 12 1e 20 2d 2f 00  00 00 00 00 00 00 00 00  |p... -/.........|
+000221c0  70 03 12 3a 20 2d 2f 00  00 00 00 00 00 00 00 00  |p..: -/.........|
 000221d0  71 04 13 72 21 73 30 00  00 00 00 00 00 00 00 00  |q..r!s0.........|
 000221e0  06 05 14 15 22 23 31 32  00 00 00 00 00 00 00 00  |...."#12........|
 000221f0  07 08 17 16 25 24 34 33  00 00 00 00 00 00 00 00  |....%$43........|
@@ -8672,8 +8672,8 @@
 00022270  50 51 00 00 00 53 7e 4f  00 00 00 00 00 00 00 00  |PQ...S~O........|
 00022280  00 7c 7d 00 00 3c 00 3e  00 00 00 00 00 00 00 00  |.|}..<.>........|
 00022290  00 00 00 2c 00 00 39 00  00 00 00 00 00 00 00 00  |...,..9.........|
-000222a0  3a 00 00 00 00 00 40 00  00 00 00 00 00 00 00 96  |:.....@.........|
-000222b0  00 9d 00 9e 9f 4a 3a 9c  7d 7e 00 00 00 00 00 00  |.....J:.}~......|
+000222a0  1e 00 00 00 00 00 40 00  00 00 00 00 00 00 00 96  |......@.........|
+000222b0  00 9d 00 9e 9f 4a 1e 9c  7d 7e 00 00 00 00 00 00  |.....J..}~......|
 000222c0  ff 00 7f 00 7f 00 ff 00  ff 00 ff 00 ff 00 ff 00  |................|
 000222d0  ff 00 8b 00 ff 00 d3 00  e3 00 a6 00 48 00 41 80  |............H.A.|
 000222e0  fa 03 00 00 a0 97 00 00  10 01 00 00 b0 21 02 00  |.............!..|